-/*============================================================================
- CMake - Cross Platform Makefile Generator
- Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
+/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
+ file Copyright.txt or https://cmake.org/licensing for details. */
+// NOLINTNEXTLINE(bugprone-reserved-identifier)
+#define _SCL_SECURE_NO_WARNINGS
- Distributed under the OSI-approved BSD License (the "License");
- see accompanying file Copyright.txt for details.
-
- This software is distributed WITHOUT ANY WARRANTY; without even the
- implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- See the License for more information.
-============================================================================*/
#include "cmStringCommand.h"
-#include "cmCryptoHash.h"
-#include <cmsys/RegularExpression.hxx>
-#include <cmsys/SystemTools.hxx>
+#include <algorithm>
+#include <cctype>
+#include <cstdio>
+#include <cstdlib>
+#include <initializer_list>
+#include <limits>
+#include <memory>
+#include <stdexcept>
+#include <utility>
-#include <stdlib.h> // required for atoi
-#include <ctype.h>
-#include <time.h>
+#include <cm/iterator>
+#include <cm/optional>
+#include <cm/string_view>
+#include <cmext/string_view>
-#include <cmTimestamp.h>
+#include <cm3p/json/reader.h>
+#include <cm3p/json/value.h>
+#include <cm3p/json/writer.h>
-//----------------------------------------------------------------------------
-bool cmStringCommand
-::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
-{
- if(args.size() < 1)
- {
- this->SetError("must be called with at least one argument.");
- return false;
- }
+#include "cmsys/RegularExpression.hxx"
- const std::string &subCommand = args[0];
- if(subCommand == "REGEX")
- {
- return this->HandleRegexCommand(args);
- }
- else if(subCommand == "REPLACE")
- {
- return this->HandleReplaceCommand(args);
- }
- else if ( subCommand == "MD5" ||
- subCommand == "SHA1" ||
- subCommand == "SHA224" ||
- subCommand == "SHA256" ||
- subCommand == "SHA384" ||
- subCommand == "SHA512" )
- {
- return this->HandleHashCommand(args);
- }
- else if(subCommand == "TOLOWER")
- {
- return this->HandleToUpperLowerCommand(args, false);
- }
- else if(subCommand == "TOUPPER")
- {
- return this->HandleToUpperLowerCommand(args, true);
- }
- else if(subCommand == "COMPARE")
- {
- return this->HandleCompareCommand(args);
- }
- else if(subCommand == "ASCII")
- {
- return this->HandleAsciiCommand(args);
- }
- else if(subCommand == "CONFIGURE")
- {
- return this->HandleConfigureCommand(args);
- }
- else if(subCommand == "LENGTH")
- {
- return this->HandleLengthCommand(args);
- }
- else if(subCommand == "SUBSTRING")
- {
- return this->HandleSubstringCommand(args);
- }
- else if(subCommand == "STRIP")
- {
- return this->HandleStripCommand(args);
- }
- else if(subCommand == "RANDOM")
- {
- return this->HandleRandomCommand(args);
- }
- else if(subCommand == "FIND")
- {
- return this->HandleFindCommand(args);
- }
- else if(subCommand == "TIMESTAMP")
- {
- return this->HandleTimestampCommand(args);
- }
- else if(subCommand == "MAKE_C_IDENTIFIER")
- {
- return this->HandleMakeCIdentifierCommand(args);
- }
-
- std::string e = "does not recognize sub-command "+subCommand;
- this->SetError(e.c_str());
- return false;
-}
-
-//----------------------------------------------------------------------------
-bool cmStringCommand::HandleHashCommand(std::vector<std::string> const& args)
+#include "cmCryptoHash.h"
+#include "cmExecutionStatus.h"
+#include "cmGeneratorExpression.h"
+#include "cmMakefile.h"
+#include "cmMessageType.h"
+#include "cmRange.h"
+#include "cmStringAlgorithms.h"
+#include "cmStringReplaceHelper.h"
+#include "cmSubcommandTable.h"
+#include "cmSystemTools.h"
+#include "cmTimestamp.h"
+#include "cmUuid.h"
+#include "cmValue.h"
+
+namespace {
+
+bool RegexMatch(std::vector<std::string> const& args,
+ cmExecutionStatus& status);
+bool RegexMatchAll(std::vector<std::string> const& args,
+ cmExecutionStatus& status);
+bool RegexReplace(std::vector<std::string> const& args,
+ cmExecutionStatus& status);
+
+bool joinImpl(std::vector<std::string> const& args, std::string const& glue,
+ size_t varIdx, cmMakefile& makefile);
+
+bool HandleHashCommand(std::vector<std::string> const& args,
+ cmExecutionStatus& status)
{
-#if defined(CMAKE_BUILD_WITH_CMAKE)
- if(args.size() != 3)
- {
- cmOStringStream e;
- e << args[0] << " requires an output variable and an input string";
- this->SetError(e.str().c_str());
+ if (args.size() != 3) {
+ status.SetError(
+ cmStrCat(args[0], " requires an output variable and an input string"));
return false;
- }
+ }
- cmsys::auto_ptr<cmCryptoHash> hash(cmCryptoHash::New(args[0].c_str()));
- if(hash.get())
- {
- std::string out = hash->HashString(args[2].c_str());
- this->Makefile->AddDefinition(args[1].c_str(), out.c_str());
+ std::unique_ptr<cmCryptoHash> hash(cmCryptoHash::New(args[0]));
+ if (hash) {
+ std::string out = hash->HashString(args[2]);
+ status.GetMakefile().AddDefinition(args[1], out);
return true;
- }
- return false;
-#else
- cmOStringStream e;
- e << args[0] << " not available during bootstrap";
- this->SetError(e.str().c_str());
+ }
return false;
-#endif
}
-//----------------------------------------------------------------------------
-bool cmStringCommand::HandleToUpperLowerCommand(
- std::vector<std::string> const& args, bool toUpper)
+bool HandleToUpperLowerCommand(std::vector<std::string> const& args,
+ bool toUpper, cmExecutionStatus& status)
{
- if ( args.size() < 3 )
- {
- this->SetError("no output variable specified");
+ if (args.size() < 3) {
+ status.SetError("no output variable specified");
return false;
- }
+ }
- std::string outvar = args[2];
+ std::string const& outvar = args[2];
std::string output;
- if (toUpper)
- {
+ if (toUpper) {
output = cmSystemTools::UpperCase(args[1]);
- }
- else
- {
+ } else {
output = cmSystemTools::LowerCase(args[1]);
- }
+ }
// Store the output in the provided variable.
- this->Makefile->AddDefinition(outvar.c_str(), output.c_str());
+ status.GetMakefile().AddDefinition(outvar, output);
return true;
}
-//----------------------------------------------------------------------------
-bool cmStringCommand::HandleAsciiCommand(std::vector<std::string> const& args)
+bool HandleToUpperCommand(std::vector<std::string> const& args,
+ cmExecutionStatus& status)
{
- if ( args.size() < 3 )
- {
- this->SetError("No output variable specified");
+ return HandleToUpperLowerCommand(args, true, status);
+}
+
+bool HandleToLowerCommand(std::vector<std::string> const& args,
+ cmExecutionStatus& status)
+{
+ return HandleToUpperLowerCommand(args, false, status);
+}
+
+bool HandleAsciiCommand(std::vector<std::string> const& args,
+ cmExecutionStatus& status)
+{
+ if (args.size() < 3) {
+ status.SetError("No output variable specified");
return false;
- }
+ }
std::string::size_type cc;
- std::string outvar = args[args.size()-1];
- std::string output = "";
- for ( cc = 1; cc < args.size()-1; cc ++ )
- {
+ std::string const& outvar = args.back();
+ std::string output;
+ for (cc = 1; cc < args.size() - 1; cc++) {
int ch = atoi(args[cc].c_str());
- if ( ch > 0 && ch < 256 )
- {
+ if (ch > 0 && ch < 256) {
output += static_cast<char>(ch);
- }
- else
- {
- std::string error = "Character with code ";
- error += args[cc];
- error += " does not exist.";
- this->SetError(error.c_str());
+ } else {
+ std::string error =
+ cmStrCat("Character with code ", args[cc], " does not exist.");
+ status.SetError(error);
return false;
- }
}
+ }
// Store the output in the provided variable.
- this->Makefile->AddDefinition(outvar.c_str(), output.c_str());
+ status.GetMakefile().AddDefinition(outvar, output);
return true;
}
-//----------------------------------------------------------------------------
-bool cmStringCommand::HandleConfigureCommand(
- std::vector<std::string> const& args)
+bool HandleHexCommand(std::vector<std::string> const& args,
+ cmExecutionStatus& status)
{
- if ( args.size() < 2 )
- {
- this->SetError("No input string specified.");
+ if (args.size() != 3) {
+ status.SetError("Incorrect number of arguments");
return false;
- }
- else if ( args.size() < 3 )
- {
- this->SetError("No output variable specified.");
+ }
+ auto const& instr = args[1];
+ auto const& outvar = args[2];
+ std::string output(instr.size() * 2, ' ');
+
+ std::string::size_type hexIndex = 0;
+ for (auto const& c : instr) {
+ snprintf(&output[hexIndex], 3, "%.2x",
+ static_cast<unsigned char>(c) & 0xFF);
+ hexIndex += 2;
+ }
+
+ status.GetMakefile().AddDefinition(outvar, output);
+ return true;
+}
+
+bool HandleConfigureCommand(std::vector<std::string> const& args,
+ cmExecutionStatus& status)
+{
+ if (args.size() < 2) {
+ status.SetError("No input string specified.");
return false;
- }
+ }
+ if (args.size() < 3) {
+ status.SetError("No output variable specified.");
+ return false;
+ }
// Parse options.
bool escapeQuotes = false;
bool atOnly = false;
- for(unsigned int i = 3; i < args.size(); ++i)
- {
- if(args[i] == "@ONLY")
- {
+ for (unsigned int i = 3; i < args.size(); ++i) {
+ if (args[i] == "@ONLY") {
atOnly = true;
- }
- else if(args[i] == "ESCAPE_QUOTES")
- {
+ } else if (args[i] == "ESCAPE_QUOTES") {
escapeQuotes = true;
- }
- else
- {
- cmOStringStream err;
- err << "Unrecognized argument \"" << args[i] << "\"";
- this->SetError(err.str().c_str());
+ } else {
+ status.SetError(cmStrCat("Unrecognized argument \"", args[i], "\""));
return false;
- }
}
+ }
// Configure the string.
std::string output;
- this->Makefile->ConfigureString(args[1], output, atOnly, escapeQuotes);
+ status.GetMakefile().ConfigureString(args[1], output, atOnly, escapeQuotes);
// Store the output in the provided variable.
- this->Makefile->AddDefinition(args[2].c_str(), output.c_str());
+ status.GetMakefile().AddDefinition(args[2], output);
return true;
}
-//----------------------------------------------------------------------------
-bool cmStringCommand::HandleRegexCommand(std::vector<std::string> const& args)
+bool HandleRegexCommand(std::vector<std::string> const& args,
+ cmExecutionStatus& status)
{
- if(args.size() < 2)
- {
- this->SetError("sub-command REGEX requires a mode to be specified.");
+ if (args.size() < 2) {
+ status.SetError("sub-command REGEX requires a mode to be specified.");
return false;
- }
- std::string mode = args[1];
- if(mode == "MATCH")
- {
- if(args.size() < 5)
- {
- this->SetError("sub-command REGEX, mode MATCH needs "
- "at least 5 arguments total to command.");
+ }
+ std::string const& mode = args[1];
+ if (mode == "MATCH") {
+ if (args.size() < 5) {
+ status.SetError("sub-command REGEX, mode MATCH needs "
+ "at least 5 arguments total to command.");
return false;
- }
- return this->RegexMatch(args);
}
- else if(mode == "MATCHALL")
- {
- if(args.size() < 5)
- {
- this->SetError("sub-command REGEX, mode MATCHALL needs "
- "at least 5 arguments total to command.");
+ return RegexMatch(args, status);
+ }
+ if (mode == "MATCHALL") {
+ if (args.size() < 5) {
+ status.SetError("sub-command REGEX, mode MATCHALL needs "
+ "at least 5 arguments total to command.");
return false;
- }
- return this->RegexMatchAll(args);
}
- else if(mode == "REPLACE")
- {
- if(args.size() < 6)
- {
- this->SetError("sub-command REGEX, mode REPLACE needs "
- "at least 6 arguments total to command.");
+ return RegexMatchAll(args, status);
+ }
+ if (mode == "REPLACE") {
+ if (args.size() < 6) {
+ status.SetError("sub-command REGEX, mode REPLACE needs "
+ "at least 6 arguments total to command.");
return false;
- }
- return this->RegexReplace(args);
}
+ return RegexReplace(args, status);
+ }
- std::string e = "sub-command REGEX does not recognize mode "+mode;
- this->SetError(e.c_str());
+ std::string e = "sub-command REGEX does not recognize mode " + mode;
+ status.SetError(e);
return false;
}
-//----------------------------------------------------------------------------
-bool cmStringCommand::RegexMatch(std::vector<std::string> const& args)
+bool RegexMatch(std::vector<std::string> const& args,
+ cmExecutionStatus& status)
{
//"STRING(REGEX MATCH <regular_expression> <output variable>
// <input> [<input>...])\n";
- std::string regex = args[2];
- std::string outvar = args[3];
-
- // Concatenate all the last arguments together.
- std::string input = args[4];
- for(unsigned int i=5; i < args.size(); ++i)
- {
- input += args[i];
- }
+ std::string const& regex = args[2];
+ std::string const& outvar = args[3];
- this->ClearMatches(this->Makefile);
+ status.GetMakefile().ClearMatches();
// Compile the regular expression.
cmsys::RegularExpression re;
- if(!re.compile(regex.c_str()))
- {
+ if (!re.compile(regex)) {
std::string e =
- "sub-command REGEX, mode MATCH failed to compile regex \""+regex+"\".";
- this->SetError(e.c_str());
+ "sub-command REGEX, mode MATCH failed to compile regex \"" + regex +
+ "\".";
+ status.SetError(e);
return false;
- }
+ }
+
+ // Concatenate all the last arguments together.
+ std::string input = cmJoin(cmMakeRange(args).advance(4), std::string());
// Scan through the input for all matches.
std::string output;
- if(re.find(input.c_str()))
- {
- this->StoreMatches(this->Makefile, re);
+ if (re.find(input)) {
+ status.GetMakefile().StoreMatches(re);
std::string::size_type l = re.start();
std::string::size_type r = re.end();
- if(r-l == 0)
- {
- std::string e =
- "sub-command REGEX, mode MATCH regex \""+regex+
+ if (r - l == 0) {
+ std::string e = "sub-command REGEX, mode MATCH regex \"" + regex +
"\" matched an empty string.";
- this->SetError(e.c_str());
+ status.SetError(e);
return false;
- }
- output = input.substr(l, r-l);
}
+ output = input.substr(l, r - l);
+ }
// Store the output in the provided variable.
- this->Makefile->AddDefinition(outvar.c_str(), output.c_str());
+ status.GetMakefile().AddDefinition(outvar, output);
return true;
}
-//----------------------------------------------------------------------------
-bool cmStringCommand::RegexMatchAll(std::vector<std::string> const& args)
+bool RegexMatchAll(std::vector<std::string> const& args,
+ cmExecutionStatus& status)
{
//"STRING(REGEX MATCHALL <regular_expression> <output variable> <input>
// [<input>...])\n";
- std::string regex = args[2];
- std::string outvar = args[3];
+ std::string const& regex = args[2];
+ std::string const& outvar = args[3];
- // Concatenate all the last arguments together.
- std::string input = args[4];
- for(unsigned int i=5; i < args.size(); ++i)
- {
- input += args[i];
- }
-
- this->ClearMatches(this->Makefile);
+ status.GetMakefile().ClearMatches();
// Compile the regular expression.
cmsys::RegularExpression re;
- if(!re.compile(regex.c_str()))
- {
+ if (!re.compile(regex)) {
std::string e =
- "sub-command REGEX, mode MATCHALL failed to compile regex \""+
- regex+"\".";
- this->SetError(e.c_str());
+ "sub-command REGEX, mode MATCHALL failed to compile regex \"" + regex +
+ "\".";
+ status.SetError(e);
return false;
- }
+ }
+
+ // Concatenate all the last arguments together.
+ std::string input = cmJoin(cmMakeRange(args).advance(4), std::string());
// Scan through the input for all matches.
std::string output;
const char* p = input.c_str();
- while(re.find(p))
- {
- this->StoreMatches(this->Makefile, re);
+ while (re.find(p)) {
+ status.GetMakefile().ClearMatches();
+ status.GetMakefile().StoreMatches(re);
std::string::size_type l = re.start();
std::string::size_type r = re.end();
- if(r-l == 0)
- {
- std::string e = "sub-command REGEX, mode MATCHALL regex \""+
- regex+"\" matched an empty string.";
- this->SetError(e.c_str());
+ if (r - l == 0) {
+ std::string e = "sub-command REGEX, mode MATCHALL regex \"" + regex +
+ "\" matched an empty string.";
+ status.SetError(e);
return false;
- }
- if(output.length() > 0)
- {
+ }
+ if (!output.empty()) {
output += ";";
- }
- output += std::string(p+l, r-l);
- p += r;
}
+ output += std::string(p + l, r - l);
+ p += r;
+ }
// Store the output in the provided variable.
- this->Makefile->AddDefinition(outvar.c_str(), output.c_str());
+ status.GetMakefile().AddDefinition(outvar, output);
return true;
}
-//----------------------------------------------------------------------------
-bool cmStringCommand::RegexReplace(std::vector<std::string> const& args)
+bool RegexReplace(std::vector<std::string> const& args,
+ cmExecutionStatus& status)
{
//"STRING(REGEX REPLACE <regular_expression> <replace_expression>
// <output variable> <input> [<input>...])\n"
- std::string regex = args[2];
- std::string replace = args[3];
- std::string outvar = args[4];
-
- // Pull apart the replace expression to find the escaped [0-9] values.
- std::vector<RegexReplacement> replacement;
- std::string::size_type l = 0;
- while(l < replace.length())
- {
- std::string::size_type r = replace.find("\\", l);
- if(r == std::string::npos)
- {
- r = replace.length();
- replacement.push_back(replace.substr(l, r-l));
- }
- else
- {
- if(r-l > 0)
- {
- replacement.push_back(replace.substr(l, r-l));
- }
- if(r == (replace.length()-1))
- {
- this->SetError("sub-command REGEX, mode REPLACE: "
- "replace-expression ends in a backslash.");
- return false;
- }
- if((replace[r+1] >= '0') && (replace[r+1] <= '9'))
- {
- replacement.push_back(replace[r+1]-'0');
- }
- else if(replace[r+1] == 'n')
- {
- replacement.push_back("\n");
- }
- else if(replace[r+1] == '\\')
- {
- replacement.push_back("\\");
- }
- else
- {
- std::string e = "sub-command REGEX, mode REPLACE: Unknown escape \"";
- e += replace.substr(r, 2);
- e += "\" in replace-expression.";
- this->SetError(e.c_str());
- return false;
- }
- r += 2;
- }
- l = r;
- }
+ std::string const& regex = args[2];
+ std::string const& replace = args[3];
+ std::string const& outvar = args[4];
+ cmStringReplaceHelper replaceHelper(regex, replace, &status.GetMakefile());
+
+ if (!replaceHelper.IsReplaceExpressionValid()) {
+ status.SetError(
+ "sub-command REGEX, mode REPLACE: " + replaceHelper.GetError() + ".");
+ return false;
+ }
- // Concatenate all the last arguments together.
- std::string input = args[5];
- for(unsigned int i=6; i < args.size(); ++i)
- {
- input += args[i];
- }
+ status.GetMakefile().ClearMatches();
- this->ClearMatches(this->Makefile);
- // Compile the regular expression.
- cmsys::RegularExpression re;
- if(!re.compile(regex.c_str()))
- {
+ if (!replaceHelper.IsRegularExpressionValid()) {
std::string e =
- "sub-command REGEX, mode REPLACE failed to compile regex \""+
- regex+"\".";
- this->SetError(e.c_str());
+ "sub-command REGEX, mode REPLACE failed to compile regex \"" + regex +
+ "\".";
+ status.SetError(e);
return false;
- }
+ }
- // Scan through the input for all matches.
+ // Concatenate all the last arguments together.
+ const std::string input =
+ cmJoin(cmMakeRange(args).advance(5), std::string());
std::string output;
- std::string::size_type base = 0;
- while(re.find(input.c_str()+base))
- {
- this->StoreMatches(this->Makefile, re);
- std::string::size_type l2 = re.start();
- std::string::size_type r = re.end();
-
- // Concatenate the part of the input that was not matched.
- output += input.substr(base, l2);
-
- // Make sure the match had some text.
- if(r-l2 == 0)
- {
- std::string e = "sub-command REGEX, mode REPLACE regex \""+
- regex+"\" matched an empty string.";
- this->SetError(e.c_str());
- return false;
- }
-
- // Concatenate the replacement for the match.
- for(unsigned int i=0; i < replacement.size(); ++i)
- {
- if(replacement[i].number < 0)
- {
- // This is just a plain-text part of the replacement.
- output += replacement[i].value;
- }
- else
- {
- // Replace with part of the match.
- int n = replacement[i].number;
- std::string::size_type start = re.start(n);
- std::string::size_type end = re.end(n);
- std::string::size_type len = input.length()-base;
- if((start != std::string::npos) && (end != std::string::npos) &&
- (start <= len) && (end <= len))
- {
- output += input.substr(base+start, end-start);
- }
- else
- {
- std::string e =
- "sub-command REGEX, mode REPLACE: replace expression \""+
- replace+"\" contains an out-of-range escape for regex \""+
- regex+"\".";
- this->SetError(e.c_str());
- return false;
- }
- }
- }
-
- // Move past the match.
- base += r;
- }
- // Concatenate the text after the last match.
- output += input.substr(base, input.length()-base);
+ if (!replaceHelper.Replace(input, output)) {
+ status.SetError(
+ "sub-command REGEX, mode REPLACE: " + replaceHelper.GetError() + ".");
+ return false;
+ }
// Store the output in the provided variable.
- this->Makefile->AddDefinition(outvar.c_str(), output.c_str());
+ status.GetMakefile().AddDefinition(outvar, output);
return true;
}
-//----------------------------------------------------------------------------
-void cmStringCommand::ClearMatches(cmMakefile* mf)
-{
- for (unsigned int i=0; i<10; i++)
- {
- char name[128];
- sprintf(name, "CMAKE_MATCH_%d", i);
- const char* s = mf->GetDefinition(name);
- if(s && *s != 0)
- {
- mf->AddDefinition(name, "");
- mf->MarkVariableAsUsed(name);
- }
- }
-}
-
-//----------------------------------------------------------------------------
-void cmStringCommand::StoreMatches(cmMakefile* mf,cmsys::RegularExpression& re)
-{
- for (unsigned int i=0; i<10; i++)
- {
- std::string m = re.match(i);
- if(m.size() > 0)
- {
- char name[128];
- sprintf(name, "CMAKE_MATCH_%d", i);
- mf->AddDefinition(name, re.match(i).c_str());
- mf->MarkVariableAsUsed(name);
- }
- }
-}
-
-//----------------------------------------------------------------------------
-bool cmStringCommand::HandleFindCommand(std::vector<std::string> const&
- args)
+bool HandleFindCommand(std::vector<std::string> const& args,
+ cmExecutionStatus& status)
{
// check if all required parameters were passed
- if(args.size() < 4 || args.size() > 5)
- {
- this->SetError("sub-command FIND requires 3 or 4 parameters.");
+ if (args.size() < 4 || args.size() > 5) {
+ status.SetError("sub-command FIND requires 3 or 4 parameters.");
return false;
- }
+ }
// check if the reverse flag was set or not
bool reverseMode = false;
- if(args.size() == 5 && args[4] == "REVERSE")
- {
+ if (args.size() == 5 && args[4] == "REVERSE") {
reverseMode = true;
- }
+ }
// if we have 5 arguments the last one must be REVERSE
- if(args.size() == 5 && args[4] != "REVERSE")
- {
- this->SetError("sub-command FIND: unknown last parameter");
+ if (args.size() == 5 && args[4] != "REVERSE") {
+ status.SetError("sub-command FIND: unknown last parameter");
return false;
- }
+ }
// local parameter names.
const std::string& sstring = args[1];
const std::string& outvar = args[3];
// ensure that the user cannot accidentally specify REVERSE as a variable
- if(outvar == "REVERSE")
- {
- this->SetError("sub-command FIND does not allow to select REVERSE as "
- "the output variable. "
- "Maybe you missed the actual output variable?");
+ if (outvar == "REVERSE") {
+ status.SetError("sub-command FIND does not allow one to select REVERSE as "
+ "the output variable. "
+ "Maybe you missed the actual output variable?");
return false;
- }
+ }
// try to find the character and return its position
size_t pos;
- if(!reverseMode)
- {
+ if (!reverseMode) {
pos = sstring.find(schar);
- }
- else
- {
+ } else {
pos = sstring.rfind(schar);
- }
- if(std::string::npos != pos)
- {
- cmOStringStream s;
- s << pos;
- this->Makefile->AddDefinition(outvar.c_str(), s.str().c_str());
+ }
+ if (std::string::npos != pos) {
+ status.GetMakefile().AddDefinition(outvar, std::to_string(pos));
return true;
- }
+ }
// the character was not found, but this is not really an error
- this->Makefile->AddDefinition(outvar.c_str(), "-1");
+ status.GetMakefile().AddDefinition(outvar, "-1");
return true;
}
-//----------------------------------------------------------------------------
-bool cmStringCommand::HandleCompareCommand(std::vector<std::string> const&
- args)
+bool HandleCompareCommand(std::vector<std::string> const& args,
+ cmExecutionStatus& status)
{
- if(args.size() < 2)
- {
- this->SetError("sub-command COMPARE requires a mode to be specified.");
+ if (args.size() < 2) {
+ status.SetError("sub-command COMPARE requires a mode to be specified.");
return false;
- }
- std::string mode = args[1];
- if((mode == "EQUAL") || (mode == "NOTEQUAL") ||
- (mode == "LESS") || (mode == "GREATER"))
- {
- if(args.size() < 5)
- {
- std::string e = "sub-command COMPARE, mode ";
- e += mode;
- e += " needs at least 5 arguments total to command.";
- this->SetError(e.c_str());
+ }
+ std::string const& mode = args[1];
+ if ((mode == "EQUAL") || (mode == "NOTEQUAL") || (mode == "LESS") ||
+ (mode == "LESS_EQUAL") || (mode == "GREATER") ||
+ (mode == "GREATER_EQUAL")) {
+ if (args.size() < 5) {
+ std::string e =
+ cmStrCat("sub-command COMPARE, mode ", mode,
+ " needs at least 5 arguments total to command.");
+ status.SetError(e);
return false;
- }
+ }
const std::string& left = args[2];
const std::string& right = args[3];
const std::string& outvar = args[4];
bool result;
- if(mode == "LESS")
- {
+ if (mode == "LESS") {
result = (left < right);
- }
- else if(mode == "GREATER")
- {
+ } else if (mode == "LESS_EQUAL") {
+ result = (left <= right);
+ } else if (mode == "GREATER") {
result = (left > right);
- }
- else if(mode == "EQUAL")
- {
+ } else if (mode == "GREATER_EQUAL") {
+ result = (left >= right);
+ } else if (mode == "EQUAL") {
result = (left == right);
- }
- else // if(mode == "NOTEQUAL")
- {
+ } else // if(mode == "NOTEQUAL")
+ {
result = !(left == right);
- }
- if(result)
- {
- this->Makefile->AddDefinition(outvar.c_str(), "1");
- }
- else
- {
- this->Makefile->AddDefinition(outvar.c_str(), "0");
- }
- return true;
}
- std::string e = "sub-command COMPARE does not recognize mode "+mode;
- this->SetError(e.c_str());
+ if (result) {
+ status.GetMakefile().AddDefinition(outvar, "1");
+ } else {
+ status.GetMakefile().AddDefinition(outvar, "0");
+ }
+ return true;
+ }
+ std::string e = "sub-command COMPARE does not recognize mode " + mode;
+ status.SetError(e);
return false;
}
-//----------------------------------------------------------------------------
-bool cmStringCommand::HandleReplaceCommand(std::vector<std::string> const&
- args)
+bool HandleReplaceCommand(std::vector<std::string> const& args,
+ cmExecutionStatus& status)
{
- if(args.size() < 5)
- {
- this->SetError("sub-command REPLACE requires at least four arguments.");
+ if (args.size() < 5) {
+ status.SetError("sub-command REPLACE requires at least four arguments.");
return false;
- }
+ }
const std::string& matchExpression = args[1];
const std::string& replaceExpression = args[2];
const std::string& variableName = args[3];
- std::string input = args[4];
- for(unsigned int i=5; i < args.size(); ++i)
- {
- input += args[i];
- }
+ std::string input = cmJoin(cmMakeRange(args).advance(4), std::string());
cmsys::SystemTools::ReplaceString(input, matchExpression.c_str(),
replaceExpression.c_str());
- this->Makefile->AddDefinition(variableName.c_str(), input.c_str());
+ status.GetMakefile().AddDefinition(variableName, input);
return true;
}
-//----------------------------------------------------------------------------
-bool cmStringCommand::HandleSubstringCommand(std::vector<std::string> const&
- args)
+bool HandleSubstringCommand(std::vector<std::string> const& args,
+ cmExecutionStatus& status)
{
- if(args.size() != 5)
- {
- this->SetError("sub-command SUBSTRING requires four arguments.");
+ if (args.size() != 5) {
+ status.SetError("sub-command SUBSTRING requires four arguments.");
return false;
- }
+ }
const std::string& stringValue = args[1];
int begin = atoi(args[2].c_str());
size_t stringLength = stringValue.size();
int intStringLength = static_cast<int>(stringLength);
- if ( begin < 0 || begin > intStringLength )
- {
- cmOStringStream ostr;
- ostr << "begin index: " << begin << " is out of range 0 - "
- << stringLength;
- this->SetError(ostr.str().c_str());
+ if (begin < 0 || begin > intStringLength) {
+ status.SetError(
+ cmStrCat("begin index: ", begin, " is out of range 0 - ", stringLength));
return false;
- }
- int leftOverLength = intStringLength - begin;
- if ( end < -1 || end > leftOverLength )
- {
- cmOStringStream ostr;
- ostr << "end index: " << end << " is out of range -1 - "
- << leftOverLength;
- this->SetError(ostr.str().c_str());
+ }
+ if (end < -1) {
+ status.SetError(cmStrCat("end index: ", end, " should be -1 or greater"));
return false;
- }
+ }
- this->Makefile->AddDefinition(variableName.c_str(),
- stringValue.substr(begin, end).c_str());
+ status.GetMakefile().AddDefinition(variableName,
+ stringValue.substr(begin, end));
return true;
}
-//----------------------------------------------------------------------------
-bool cmStringCommand
-::HandleLengthCommand(std::vector<std::string> const& args)
+bool HandleLengthCommand(std::vector<std::string> const& args,
+ cmExecutionStatus& status)
{
- if(args.size() != 3)
- {
- this->SetError("sub-command LENGTH requires two arguments.");
+ if (args.size() != 3) {
+ status.SetError("sub-command LENGTH requires two arguments.");
return false;
- }
+ }
const std::string& stringValue = args[1];
const std::string& variableName = args[2];
size_t length = stringValue.size();
char buffer[1024];
- sprintf(buffer, "%d", static_cast<int>(length));
+ snprintf(buffer, sizeof(buffer), "%d", static_cast<int>(length));
- this->Makefile->AddDefinition(variableName.c_str(), buffer);
+ status.GetMakefile().AddDefinition(variableName, buffer);
return true;
}
-//----------------------------------------------------------------------------
-bool cmStringCommand
-::HandleMakeCIdentifierCommand(std::vector<std::string> const& args)
+bool HandleAppendCommand(std::vector<std::string> const& args,
+ cmExecutionStatus& status)
{
- if(args.size() != 3)
- {
- this->SetError("sub-command MAKE_C_IDENTIFIER requires two arguments.");
+ if (args.size() < 2) {
+ status.SetError("sub-command APPEND requires at least one argument.");
return false;
- }
+ }
+
+ // Skip if nothing to append.
+ if (args.size() < 3) {
+ return true;
+ }
+
+ auto const& variableName = args[1];
+
+ cm::string_view oldView{ status.GetMakefile().GetSafeDefinition(
+ variableName) };
+
+ auto const newValue = cmJoin(cmMakeRange(args).advance(2), {}, oldView);
+ status.GetMakefile().AddDefinition(variableName, newValue);
+
+ return true;
+}
+
+bool HandlePrependCommand(std::vector<std::string> const& args,
+ cmExecutionStatus& status)
+{
+ if (args.size() < 2) {
+ status.SetError("sub-command PREPEND requires at least one argument.");
+ return false;
+ }
+
+ // Skip if nothing to prepend.
+ if (args.size() < 3) {
+ return true;
+ }
+
+ const std::string& variable = args[1];
+
+ std::string value = cmJoin(cmMakeRange(args).advance(2), std::string());
+ cmValue oldValue = status.GetMakefile().GetDefinition(variable);
+ if (oldValue) {
+ value += *oldValue;
+ }
+ status.GetMakefile().AddDefinition(variable, value);
+ return true;
+}
+
+bool HandleConcatCommand(std::vector<std::string> const& args,
+ cmExecutionStatus& status)
+{
+ if (args.size() < 2) {
+ status.SetError("sub-command CONCAT requires at least one argument.");
+ return false;
+ }
+
+ return joinImpl(args, std::string(), 1, status.GetMakefile());
+}
+
+bool HandleJoinCommand(std::vector<std::string> const& args,
+ cmExecutionStatus& status)
+{
+ if (args.size() < 3) {
+ status.SetError("sub-command JOIN requires at least two arguments.");
+ return false;
+ }
+
+ return joinImpl(args, args[1], 2, status.GetMakefile());
+}
+
+bool joinImpl(std::vector<std::string> const& args, std::string const& glue,
+ const size_t varIdx, cmMakefile& makefile)
+{
+ std::string const& variableName = args[varIdx];
+ // NOTE Items to concat/join placed right after the variable for
+ // both `CONCAT` and `JOIN` sub-commands.
+ std::string value = cmJoin(cmMakeRange(args).advance(varIdx + 1), glue);
+
+ makefile.AddDefinition(variableName, value);
+ return true;
+}
+
+bool HandleMakeCIdentifierCommand(std::vector<std::string> const& args,
+ cmExecutionStatus& status)
+{
+ if (args.size() != 3) {
+ status.SetError("sub-command MAKE_C_IDENTIFIER requires two arguments.");
+ return false;
+ }
const std::string& input = args[1];
const std::string& variableName = args[2];
- this->Makefile->AddDefinition(variableName.c_str(),
- cmSystemTools::MakeCidentifier(input.c_str()).c_str());
+ status.GetMakefile().AddDefinition(variableName,
+ cmSystemTools::MakeCidentifier(input));
return true;
}
-//----------------------------------------------------------------------------
-bool cmStringCommand::HandleStripCommand(
- std::vector<std::string> const& args)
+bool HandleGenexStripCommand(std::vector<std::string> const& args,
+ cmExecutionStatus& status)
{
- if(args.size() != 3)
- {
- this->SetError("sub-command STRIP requires two arguments.");
+ if (args.size() != 3) {
+ status.SetError("sub-command GENEX_STRIP requires two arguments.");
return false;
- }
+ }
+
+ const std::string& input = args[1];
+
+ std::string result = cmGeneratorExpression::Preprocess(
+ input, cmGeneratorExpression::StripAllGeneratorExpressions);
+
+ const std::string& variableName = args[2];
+
+ status.GetMakefile().AddDefinition(variableName, result);
+ return true;
+}
+
+bool HandleStripCommand(std::vector<std::string> const& args,
+ cmExecutionStatus& status)
+{
+ if (args.size() != 3) {
+ status.SetError("sub-command STRIP requires two arguments.");
+ return false;
+ }
const std::string& stringValue = args[1];
const std::string& variableName = args[2];
size_t endPos = 0;
const char* ptr = stringValue.c_str();
size_t cc;
- for ( cc = 0; cc < inStringLength; ++ cc )
- {
- if ( !isspace(*ptr) )
- {
- if ( startPos > inStringLength )
- {
+ for (cc = 0; cc < inStringLength; ++cc) {
+ if (!isspace(*ptr)) {
+ if (startPos > inStringLength) {
startPos = cc;
- }
- endPos = cc;
}
- ++ ptr;
+ endPos = cc;
}
+ ++ptr;
+ }
size_t outLength = 0;
// if the input string didn't contain any non-space characters, return
// an empty string
- if (startPos > inStringLength)
- {
+ if (startPos > inStringLength) {
outLength = 0;
startPos = 0;
- }
- else
- {
- outLength=endPos - startPos + 1;
- }
+ } else {
+ outLength = endPos - startPos + 1;
+ }
- this->Makefile->AddDefinition(variableName.c_str(),
- stringValue.substr(startPos, outLength).c_str());
+ status.GetMakefile().AddDefinition(variableName,
+ stringValue.substr(startPos, outLength));
return true;
}
-//----------------------------------------------------------------------------
-bool cmStringCommand
-::HandleRandomCommand(std::vector<std::string> const& args)
+bool HandleRepeatCommand(std::vector<std::string> const& args,
+ cmExecutionStatus& status)
{
- if(args.size() < 2 || args.size() == 3 || args.size() == 5)
- {
- this->SetError("sub-command RANDOM requires at least one argument.");
+ cmMakefile& makefile = status.GetMakefile();
+
+ // `string(REPEAT "<str>" <times> OUTPUT_VARIABLE)`
+ enum ArgPos : std::size_t
+ {
+ SUB_COMMAND,
+ VALUE,
+ TIMES,
+ OUTPUT_VARIABLE,
+ TOTAL_ARGS
+ };
+
+ if (args.size() != ArgPos::TOTAL_ARGS) {
+ makefile.IssueMessage(MessageType::FATAL_ERROR,
+ "sub-command REPEAT requires three arguments.");
+ return true;
+ }
+
+ unsigned long times;
+ if (!cmStrToULong(args[ArgPos::TIMES], ×)) {
+ makefile.IssueMessage(MessageType::FATAL_ERROR,
+ "repeat count is not a positive number.");
+ return true;
+ }
+
+ const auto& stringValue = args[ArgPos::VALUE];
+ const auto& variableName = args[ArgPos::OUTPUT_VARIABLE];
+ const auto inStringLength = stringValue.size();
+
+ std::string result;
+ switch (inStringLength) {
+ case 0u:
+ // Nothing to do for zero length input strings
+ break;
+ case 1u:
+ // NOTE If the string to repeat consists of the only character,
+ // use the appropriate constructor.
+ result = std::string(times, stringValue[0]);
+ break;
+ default:
+ result = std::string(inStringLength * times, char{});
+ for (auto i = 0u; i < times; ++i) {
+ std::copy(cm::cbegin(stringValue), cm::cend(stringValue),
+ &result[i * inStringLength]);
+ }
+ break;
+ }
+
+ makefile.AddDefinition(variableName, result);
+ return true;
+}
+
+bool HandleRandomCommand(std::vector<std::string> const& args,
+ cmExecutionStatus& status)
+{
+ if (args.size() < 2 || args.size() == 3 || args.size() == 5) {
+ status.SetError("sub-command RANDOM requires at least one argument.");
return false;
- }
+ }
static bool seeded = false;
bool force_seed = false;
unsigned int seed = 0;
int length = 5;
const char cmStringCommandDefaultAlphabet[] = "qwertyuiopasdfghjklzxcvbnm"
- "QWERTYUIOPASDFGHJKLZXCVBNM"
- "0123456789";
+ "QWERTYUIOPASDFGHJKLZXCVBNM"
+ "0123456789";
std::string alphabet;
- if ( args.size() > 3 )
- {
+ if (args.size() > 3) {
size_t i = 1;
size_t stopAt = args.size() - 2;
- for ( ; i < stopAt; ++i )
- {
- if ( args[i] == "LENGTH" )
- {
+ for (; i < stopAt; ++i) {
+ if (args[i] == "LENGTH") {
++i;
length = atoi(args[i].c_str());
- }
- else if ( args[i] == "ALPHABET" )
- {
+ } else if (args[i] == "ALPHABET") {
++i;
alphabet = args[i];
- }
- else if ( args[i] == "RANDOM_SEED" )
- {
+ } else if (args[i] == "RANDOM_SEED") {
++i;
seed = static_cast<unsigned int>(atoi(args[i].c_str()));
force_seed = true;
- }
}
}
- if ( !alphabet.size() )
- {
+ }
+ if (alphabet.empty()) {
alphabet = cmStringCommandDefaultAlphabet;
- }
+ }
double sizeofAlphabet = static_cast<double>(alphabet.size());
- if ( sizeofAlphabet < 1 )
- {
- this->SetError("sub-command RANDOM invoked with bad alphabet.");
+ if (sizeofAlphabet < 1) {
+ status.SetError("sub-command RANDOM invoked with bad alphabet.");
return false;
- }
- if ( length < 1 )
- {
- this->SetError("sub-command RANDOM invoked with bad length.");
+ }
+ if (length < 1) {
+ status.SetError("sub-command RANDOM invoked with bad length.");
return false;
- }
- const std::string& variableName = args[args.size()-1];
+ }
+ const std::string& variableName = args.back();
std::vector<char> result;
- if (!seeded || force_seed)
- {
+ if (!seeded || force_seed) {
seeded = true;
- srand(force_seed? seed : cmSystemTools::RandomSeed());
- }
+ srand(force_seed ? seed : cmSystemTools::RandomSeed());
+ }
const char* alphaPtr = alphabet.c_str();
- int cc;
- for ( cc = 0; cc < length; cc ++ )
- {
- int idx=(int) (sizeofAlphabet* rand()/(RAND_MAX+1.0));
+ for (int cc = 0; cc < length; cc++) {
+ int idx = static_cast<int>(sizeofAlphabet * rand() / (RAND_MAX + 1.0));
result.push_back(*(alphaPtr + idx));
- }
+ }
result.push_back(0);
- this->Makefile->AddDefinition(variableName.c_str(), &*result.begin());
+ status.GetMakefile().AddDefinition(variableName, result.data());
return true;
}
-//----------------------------------------------------------------------------
-bool cmStringCommand
-::HandleTimestampCommand(std::vector<std::string> const& args)
+bool HandleTimestampCommand(std::vector<std::string> const& args,
+ cmExecutionStatus& status)
{
- if(args.size() < 2)
- {
- this->SetError("sub-command TIMESTAMP requires at least one argument.");
+ if (args.size() < 2) {
+ status.SetError("sub-command TIMESTAMP requires at least one argument.");
return false;
- }
- else if(args.size() > 4)
- {
- this->SetError("sub-command TIMESTAMP takes at most three arguments.");
+ }
+ if (args.size() > 4) {
+ status.SetError("sub-command TIMESTAMP takes at most three arguments.");
return false;
- }
+ }
unsigned int argsIndex = 1;
- const std::string &outputVariable = args[argsIndex++];
+ const std::string& outputVariable = args[argsIndex++];
std::string formatString;
- if(args.size() > argsIndex && args[argsIndex] != "UTC")
- {
+ if (args.size() > argsIndex && args[argsIndex] != "UTC") {
formatString = args[argsIndex++];
- }
+ }
bool utcFlag = false;
- if(args.size() > argsIndex)
- {
- if(args[argsIndex] == "UTC")
- {
+ if (args.size() > argsIndex) {
+ if (args[argsIndex] == "UTC") {
utcFlag = true;
- }
- else
- {
+ } else {
std::string e = " TIMESTAMP sub-command does not recognize option " +
- args[argsIndex] + ".";
- this->SetError(e.c_str());
+ args[argsIndex] + ".";
+ status.SetError(e);
return false;
- }
}
+ }
cmTimestamp timestamp;
std::string result = timestamp.CurrentTime(formatString, utcFlag);
- this->Makefile->AddDefinition(outputVariable.c_str(), result.c_str());
+ status.GetMakefile().AddDefinition(outputVariable, result);
return true;
}
+
+bool HandleUuidCommand(std::vector<std::string> const& args,
+ cmExecutionStatus& status)
+{
+#if !defined(CMAKE_BOOTSTRAP)
+ unsigned int argsIndex = 1;
+
+ if (args.size() < 2) {
+ status.SetError("UUID sub-command requires an output variable.");
+ return false;
+ }
+
+ const std::string& outputVariable = args[argsIndex++];
+
+ std::string uuidNamespaceString;
+ std::string uuidName;
+ std::string uuidType;
+ bool uuidUpperCase = false;
+
+ while (args.size() > argsIndex) {
+ if (args[argsIndex] == "NAMESPACE") {
+ ++argsIndex;
+ if (argsIndex >= args.size()) {
+ status.SetError("UUID sub-command, NAMESPACE requires a value.");
+ return false;
+ }
+ uuidNamespaceString = args[argsIndex++];
+ } else if (args[argsIndex] == "NAME") {
+ ++argsIndex;
+ if (argsIndex >= args.size()) {
+ status.SetError("UUID sub-command, NAME requires a value.");
+ return false;
+ }
+ uuidName = args[argsIndex++];
+ } else if (args[argsIndex] == "TYPE") {
+ ++argsIndex;
+ if (argsIndex >= args.size()) {
+ status.SetError("UUID sub-command, TYPE requires a value.");
+ return false;
+ }
+ uuidType = args[argsIndex++];
+ } else if (args[argsIndex] == "UPPER") {
+ ++argsIndex;
+ uuidUpperCase = true;
+ } else {
+ std::string e =
+ "UUID sub-command does not recognize option " + args[argsIndex] + ".";
+ status.SetError(e);
+ return false;
+ }
+ }
+
+ std::string uuid;
+ cmUuid uuidGenerator;
+
+ std::vector<unsigned char> uuidNamespace;
+ if (!uuidGenerator.StringToBinary(uuidNamespaceString, uuidNamespace)) {
+ status.SetError("UUID sub-command, malformed NAMESPACE UUID.");
+ return false;
+ }
+
+ if (uuidType == "MD5") {
+ uuid = uuidGenerator.FromMd5(uuidNamespace, uuidName);
+ } else if (uuidType == "SHA1") {
+ uuid = uuidGenerator.FromSha1(uuidNamespace, uuidName);
+ } else {
+ std::string e = "UUID sub-command, unknown TYPE '" + uuidType + "'.";
+ status.SetError(e);
+ return false;
+ }
+
+ if (uuid.empty()) {
+ status.SetError("UUID sub-command, generation failed.");
+ return false;
+ }
+
+ if (uuidUpperCase) {
+ uuid = cmSystemTools::UpperCase(uuid);
+ }
+
+ status.GetMakefile().AddDefinition(outputVariable, uuid);
+ return true;
+#else
+ status.SetError(cmStrCat(args[0], " not available during bootstrap"));
+ return false;
+#endif
+}
+
+#if !defined(CMAKE_BOOTSTRAP)
+
+// Helpers for string(JSON ...)
+struct Args : cmRange<typename std::vector<std::string>::const_iterator>
+{
+ using cmRange<typename std::vector<std::string>::const_iterator>::cmRange;
+
+ auto PopFront(cm::string_view error) -> const std::string&;
+ auto PopBack(cm::string_view error) -> const std::string&;
+};
+
+class json_error : public std::runtime_error
+{
+public:
+ json_error(std::initializer_list<cm::string_view> message,
+ cm::optional<Args> errorPath = cm::nullopt)
+ : std::runtime_error(cmCatViews(message))
+ , ErrorPath{
+ std::move(errorPath) // NOLINT(performance-move-const-arg)
+ }
+ {
+ }
+ cm::optional<Args> ErrorPath;
+};
+
+const std::string& Args::PopFront(cm::string_view error)
+{
+ if (this->empty()) {
+ throw json_error({ error });
+ }
+ const std::string& res = *this->begin();
+ this->advance(1);
+ return res;
+}
+
+const std::string& Args::PopBack(cm::string_view error)
+{
+ if (this->empty()) {
+ throw json_error({ error });
+ }
+ const std::string& res = *(this->end() - 1);
+ this->retreat(1);
+ return res;
+}
+
+cm::string_view JsonTypeToString(Json::ValueType type)
+{
+ switch (type) {
+ case Json::ValueType::nullValue:
+ return "NULL"_s;
+ case Json::ValueType::intValue:
+ case Json::ValueType::uintValue:
+ case Json::ValueType::realValue:
+ return "NUMBER"_s;
+ case Json::ValueType::stringValue:
+ return "STRING"_s;
+ case Json::ValueType::booleanValue:
+ return "BOOLEAN"_s;
+ case Json::ValueType::arrayValue:
+ return "ARRAY"_s;
+ case Json::ValueType::objectValue:
+ return "OBJECT"_s;
+ }
+ throw json_error({ "invalid JSON type found"_s });
+}
+
+int ParseIndex(
+ const std::string& str, cm::optional<Args> const& progress = cm::nullopt,
+ Json::ArrayIndex max = std::numeric_limits<Json::ArrayIndex>::max())
+{
+ unsigned long lindex;
+ if (!cmStrToULong(str, &lindex)) {
+ throw json_error({ "expected an array index, got: '"_s, str, "'"_s },
+ progress);
+ }
+ Json::ArrayIndex index = static_cast<Json::ArrayIndex>(lindex);
+ if (index >= max) {
+ cmAlphaNum sizeStr{ max };
+ throw json_error({ "expected an index less than "_s, sizeStr.View(),
+ " got '"_s, str, "'"_s },
+ progress);
+ }
+ return index;
+}
+
+Json::Value& ResolvePath(Json::Value& json, Args path)
+{
+ Json::Value* search = &json;
+
+ for (auto curr = path.begin(); curr != path.end(); ++curr) {
+ const std::string& field = *curr;
+ Args progress{ path.begin(), curr + 1 };
+
+ if (search->isArray()) {
+ auto index = ParseIndex(field, progress, search->size());
+ search = &(*search)[index];
+
+ } else if (search->isObject()) {
+ if (!search->isMember(field)) {
+ const auto progressStr = cmJoin(progress, " "_s);
+ throw json_error({ "member '"_s, progressStr, "' not found"_s },
+ progress);
+ }
+ search = &(*search)[field];
+ } else {
+ const auto progressStr = cmJoin(progress, " "_s);
+ throw json_error(
+ { "invalid path '"_s, progressStr,
+ "', need element of OBJECT or ARRAY type to lookup '"_s, field,
+ "' got "_s, JsonTypeToString(search->type()) },
+ progress);
+ }
+ }
+ return *search;
+}
+
+Json::Value ReadJson(const std::string& jsonstr)
+{
+ Json::CharReaderBuilder builder;
+ builder["collectComments"] = false;
+ auto jsonReader = std::unique_ptr<Json::CharReader>(builder.newCharReader());
+ Json::Value json;
+ std::string error;
+ if (!jsonReader->parse(jsonstr.data(), jsonstr.data() + jsonstr.size(),
+ &json, &error)) {
+ throw json_error({ "failed parsing json string: "_s, error });
+ }
+ return json;
+}
+std::string WriteJson(const Json::Value& value)
+{
+ Json::StreamWriterBuilder writer;
+ writer["indentation"] = " ";
+ writer["commentStyle"] = "None";
+ return Json::writeString(writer, value);
+}
+
+#endif
+
+bool HandleJSONCommand(std::vector<std::string> const& arguments,
+ cmExecutionStatus& status)
+{
+#if !defined(CMAKE_BOOTSTRAP)
+
+ auto& makefile = status.GetMakefile();
+ Args args{ arguments.begin() + 1, arguments.end() };
+
+ const std::string* errorVariable = nullptr;
+ const std::string* outputVariable = nullptr;
+ bool success = true;
+
+ try {
+ outputVariable = &args.PopFront("missing out-var argument"_s);
+
+ if (!args.empty() && *args.begin() == "ERROR_VARIABLE"_s) {
+ args.PopFront("");
+ errorVariable = &args.PopFront("missing error-var argument"_s);
+ makefile.AddDefinition(*errorVariable, "NOTFOUND"_s);
+ }
+
+ const auto& mode = args.PopFront("missing mode argument"_s);
+ if (mode != "GET"_s && mode != "TYPE"_s && mode != "MEMBER"_s &&
+ mode != "LENGTH"_s && mode != "REMOVE"_s && mode != "SET"_s &&
+ mode != "EQUAL"_s) {
+ throw json_error(
+ { "got an invalid mode '"_s, mode,
+ "', expected one of GET, TYPE, MEMBER, LENGTH, REMOVE, SET, "
+ " EQUAL"_s });
+ }
+
+ const auto& jsonstr = args.PopFront("missing json string argument"_s);
+ Json::Value json = ReadJson(jsonstr);
+
+ if (mode == "GET"_s) {
+ const auto& value = ResolvePath(json, args);
+ if (value.isObject() || value.isArray()) {
+ makefile.AddDefinition(*outputVariable, WriteJson(value));
+ } else if (value.isBool()) {
+ makefile.AddDefinitionBool(*outputVariable, value.asBool());
+ } else {
+ makefile.AddDefinition(*outputVariable, value.asString());
+ }
+
+ } else if (mode == "TYPE"_s) {
+ const auto& value = ResolvePath(json, args);
+ makefile.AddDefinition(*outputVariable, JsonTypeToString(value.type()));
+
+ } else if (mode == "MEMBER"_s) {
+ const auto& indexStr = args.PopBack("missing member index"_s);
+ const auto& value = ResolvePath(json, args);
+ if (!value.isObject()) {
+ throw json_error({ "MEMBER needs to be called with an element of "
+ "type OBJECT, got "_s,
+ JsonTypeToString(value.type()) },
+ args);
+ }
+ const auto index = ParseIndex(
+ indexStr, Args{ args.begin(), args.end() + 1 }, value.size());
+ const auto memIt = std::next(value.begin(), index);
+ makefile.AddDefinition(*outputVariable, memIt.name());
+
+ } else if (mode == "LENGTH"_s) {
+ const auto& value = ResolvePath(json, args);
+ if (!value.isArray() && !value.isObject()) {
+ throw json_error({ "LENGTH needs to be called with an "
+ "element of type ARRAY or OBJECT, got "_s,
+ JsonTypeToString(value.type()) },
+ args);
+ }
+
+ cmAlphaNum sizeStr{ value.size() };
+ makefile.AddDefinition(*outputVariable, sizeStr.View());
+
+ } else if (mode == "REMOVE"_s) {
+ const auto& toRemove =
+ args.PopBack("missing member or index to remove"_s);
+ auto& value = ResolvePath(json, args);
+
+ if (value.isArray()) {
+ const auto index = ParseIndex(
+ toRemove, Args{ args.begin(), args.end() + 1 }, value.size());
+ Json::Value removed;
+ value.removeIndex(index, &removed);
+
+ } else if (value.isObject()) {
+ Json::Value removed;
+ value.removeMember(toRemove, &removed);
+
+ } else {
+ throw json_error({ "REMOVE needs to be called with an "
+ "element of type ARRAY or OBJECT, got "_s,
+ JsonTypeToString(value.type()) },
+ args);
+ }
+ makefile.AddDefinition(*outputVariable, WriteJson(json));
+
+ } else if (mode == "SET"_s) {
+ const auto& newValueStr = args.PopBack("missing new value remove"_s);
+ const auto& toAdd = args.PopBack("missing member name to add"_s);
+ auto& value = ResolvePath(json, args);
+
+ Json::Value newValue = ReadJson(newValueStr);
+ if (value.isObject()) {
+ value[toAdd] = newValue;
+ } else if (value.isArray()) {
+ const auto index =
+ ParseIndex(toAdd, Args{ args.begin(), args.end() + 1 });
+ if (value.isValidIndex(index)) {
+ value[static_cast<int>(index)] = newValue;
+ } else {
+ value.append(newValue);
+ }
+ } else {
+ throw json_error({ "SET needs to be called with an "
+ "element of type OBJECT or ARRAY, got "_s,
+ JsonTypeToString(value.type()) });
+ }
+
+ makefile.AddDefinition(*outputVariable, WriteJson(json));
+
+ } else if (mode == "EQUAL"_s) {
+ const auto& jsonstr2 =
+ args.PopFront("missing second json string argument"_s);
+ Json::Value json2 = ReadJson(jsonstr2);
+ makefile.AddDefinitionBool(*outputVariable, json == json2);
+ }
+
+ } catch (const json_error& e) {
+ if (outputVariable && e.ErrorPath) {
+ const auto errorPath = cmJoin(*e.ErrorPath, "-");
+ makefile.AddDefinition(*outputVariable,
+ cmCatViews({ errorPath, "-NOTFOUND"_s }));
+ } else if (outputVariable) {
+ makefile.AddDefinition(*outputVariable, "NOTFOUND"_s);
+ }
+
+ if (errorVariable) {
+ makefile.AddDefinition(*errorVariable, e.what());
+ } else {
+ status.SetError(cmCatViews({ "sub-command JSON "_s, e.what(), "."_s }));
+ success = false;
+ }
+ }
+ return success;
+#else
+ status.SetError(cmStrCat(arguments[0], " not available during bootstrap"_s));
+ return false;
+#endif
+}
+
+} // namespace
+
+bool cmStringCommand(std::vector<std::string> const& args,
+ cmExecutionStatus& status)
+{
+ if (args.empty()) {
+ status.SetError("must be called with at least one argument.");
+ return false;
+ }
+
+ static cmSubcommandTable const subcommand{
+ { "REGEX"_s, HandleRegexCommand },
+ { "REPLACE"_s, HandleReplaceCommand },
+ { "MD5"_s, HandleHashCommand },
+ { "SHA1"_s, HandleHashCommand },
+ { "SHA224"_s, HandleHashCommand },
+ { "SHA256"_s, HandleHashCommand },
+ { "SHA384"_s, HandleHashCommand },
+ { "SHA512"_s, HandleHashCommand },
+ { "SHA3_224"_s, HandleHashCommand },
+ { "SHA3_256"_s, HandleHashCommand },
+ { "SHA3_384"_s, HandleHashCommand },
+ { "SHA3_512"_s, HandleHashCommand },
+ { "TOLOWER"_s, HandleToLowerCommand },
+ { "TOUPPER"_s, HandleToUpperCommand },
+ { "COMPARE"_s, HandleCompareCommand },
+ { "ASCII"_s, HandleAsciiCommand },
+ { "HEX"_s, HandleHexCommand },
+ { "CONFIGURE"_s, HandleConfigureCommand },
+ { "LENGTH"_s, HandleLengthCommand },
+ { "APPEND"_s, HandleAppendCommand },
+ { "PREPEND"_s, HandlePrependCommand },
+ { "CONCAT"_s, HandleConcatCommand },
+ { "JOIN"_s, HandleJoinCommand },
+ { "SUBSTRING"_s, HandleSubstringCommand },
+ { "STRIP"_s, HandleStripCommand },
+ { "REPEAT"_s, HandleRepeatCommand },
+ { "RANDOM"_s, HandleRandomCommand },
+ { "FIND"_s, HandleFindCommand },
+ { "TIMESTAMP"_s, HandleTimestampCommand },
+ { "MAKE_C_IDENTIFIER"_s, HandleMakeCIdentifierCommand },
+ { "GENEX_STRIP"_s, HandleGenexStripCommand },
+ { "UUID"_s, HandleUuidCommand },
+ { "JSON"_s, HandleJSONCommand },
+ };
+
+ return subcommand(args[0], args, status);
+}